大象传媒 Two - Natural World, 2017-2018, Nature's Wildest Weapons: Horns, Tusks and Antlers, Nature's Wildest Weapons: Horns, Tusks and Antlers

Natural World 2017-2018, Nature's Wildest Weapons: Horns, Tusks and Antlers Nature's Wildest Weapons: Horns, Tusks and Antlers

From elephants to beetles, are animal weapons more than just instruments of blunt force?

Natural World—2017-2018, Nature's Wildest Weapons: Horns, Tusks and Antlers

Professor Doug Emlen discovers the secrets of nature's arms races.

大象传媒 Two